GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256e5e9afb9bb183f5ecb74e1c5a15a70fa6d12ee12ae6a9af7240a49c084ff9f04
MD537dada3ba9a2279f561cc285afbbd757
File Typeexe
Size73.5 KB
First Seen2022-08-30
File Namee5e9afb9bb183f5ecb74e1c5a15a70fa6d12ee12ae6a9af7240a49c084ff9f04
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

TypeRansomware
Programming LanguageC
Target PlatformWindows
C2 ProtocolHTTP
PurposeMaaS ransomware
First Seen Year2018

Threat Indicators (IOC)

  • SHA256: e5e9afb9bb183f5ecb74e1c5a15a70fa6d12ee12ae6a9af7240a49c084ff9f04
  • MD5: 37dada3ba9a2279f561cc285afbbd757

You can verify all hash values of this sample on VirusTotal.

System Cleanup Guide

  1. Sistemi ağdan DERHAL ayırın — diğer cihazlara yayılmayı durdurun
  2. Do not pay the ransom — there is no guarantee your files will be restored
  3. Quarantine the affected drives
  4. Kullanılan fidye yazılımı ailesini belirleyin (nomoreransom.org)
  5. Try available decryptor tools (the NoMoreRansom project)
  6. Report the incident to the authorities (cybercrime unit)
  7. Temiz bir yedekten kurtarın; yedeğiniz yoksa sürücüyü saklayın

YARA Rule Hints

rule GandCrab_SHA256 {
    meta:
        description = "GandCrab sample: e5e9afb9bb183f5e"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "e5e9afb9bb183f5ecb74e1c5a15a70fa6d12ee12ae6a9af7240a49c084ff9f04"
}

GandCrab — Malware Profile

GandCrab, 2018-2019 aktif RaaS ailesidir. 1.5 milyar USD hasar. RSA+Salsa20. Haziran 2019 kapandi. REvil oncusu.

Malware Type
Ransomware
Programming Language
C
C2 Protocol
HTTP
Target Systems
Windows

Capabilities & Behavior

Dosya Şifreleme (AES/RSA)
Gölge Kopya Silme
Yedek Kaldırma
Fidye Notu Oluşturma
Kalıcılık Sağlama
Ağ Paylaşımı Şifreleme
Anti-Analiz Teknikleri
Çift Gasp (Data Leak)

IOC List (2 indicators)

IOC — GandCrab
# SHA256 e5e9afb9bb183f5ecb74e1c5a15a70fa6d12ee12ae6a9af7240a49c084ff9f04 # MD5 37dada3ba9a2279f561cc285afbbd757
TypeValueNote
sha256 e5e9afb9bb183f5ecb74e1c5a15a70fa6d12ee12ae6a9af7240a49c084ff9f04 Sample:GandCrab
md5 37dada3ba9a2279f561cc285afbbd757 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi